<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>




</head>
<body  onload="loadUser()">
   <form   action="login.do"   method="post">
        用户名：<input  type="text"  name="username"  ></input>
        <br>
        密码：<input  type="password"   name="password"  ></input>
        <br>
  输入验证码：<input  type="text"  name="code"/>  <img  src="imgServlet"   />    
        <br>
    <input  type="submit"  value="登录"></input>    <a href="register.do">没有账号点击注册</a>
   </form>
</body>
</html>